Add new API for screen capturing

[ChangeLog][WebEngineCore] Add QWebEnginePage::desktopMediaRequested() signal
[ChangeLog][WebEngineQuick] Add QQuickWebEngineView::desktopMediaRequested() signal

Pick-to: 6.7
Fixes: QTBUG-112142
Task-number: QTBUG-70077
Change-Id: I4bfad88732b45fb68b77f7617440bcb50b248a11
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

4 files changed, 13 insertions, 0 deletions

diff --git a/examples/webenginewidgets/simplebrowser/browser.cpp b/examples/webenginewidgets/simplebrowser/browser.cpp
index 83e273d07..fd68246d0 100644
--- a/examples/webenginewidgets/simplebrowser/browser.cpp
+++ b/examples/webenginewidgets/simplebrowser/browser.cpp
@@ -27,6 +27,7 @@ BrowserWindow *Browser::createHiddenWindow(bool offTheRecord)
         m_profile->settings()->setAttribute(QWebEngineSettings::DnsPrefetchEnabled, true);
         m_profile->settings()->setAttribute(QWebEngineSettings::LocalContentCanAccessRemoteUrls, true);
         m_profile->settings()->setAttribute(QWebEngineSettings::LocalContentCanAccessFileUrls, false);
+        m_profile->settings()->setAttribute(QWebEngineSettings::ScreenCaptureEnabled, true);
         QObject::connect(m_profile.get(), &QWebEngineProfile::downloadRequested,
                          &m_downloadManagerWidget, &DownloadManagerWidget::downloadRequested);
     }
diff --git a/examples/webenginewidgets/simplebrowser/main.cpp b/examples/webenginewidgets/simplebrowser/main.cpp
index bd9a3a198..ff4811eae 100644
--- a/examples/webenginewidgets/simplebrowser/main.cpp
+++ b/examples/webenginewidgets/simplebrowser/main.cpp
@@ -31,6 +31,8 @@ int main(int argc, char **argv)
 
     QWebEngineProfile::defaultProfile()->settings()->setAttribute(QWebEngineSettings::PluginsEnabled, true);
     QWebEngineProfile::defaultProfile()->settings()->setAttribute(QWebEngineSettings::DnsPrefetchEnabled, true);
+    QWebEngineProfile::defaultProfile()->settings()->setAttribute(
+            QWebEngineSettings::ScreenCaptureEnabled, true);
 
     QUrl url = commandLineUrlArgument();
 
diff --git a/examples/webenginewidgets/simplebrowser/webpage.cpp b/examples/webenginewidgets/simplebrowser/webpage.cpp
index 699e3d2ed..807cdf0ff 100644
--- a/examples/webenginewidgets/simplebrowser/webpage.cpp
+++ b/examples/webenginewidgets/simplebrowser/webpage.cpp
@@ -13,6 +13,8 @@ WebPage::WebPage(QWebEngineProfile *profile, QObject *parent)
 {
     connect(this, &QWebEnginePage::selectClientCertificate, this, &WebPage::handleSelectClientCertificate);
     connect(this, &QWebEnginePage::certificateError, this, &WebPage::handleCertificateError);
+    connect(this, &QWebEnginePage::desktopMediaRequested, this,
+            &WebPage::handleDesktopMediaRequest);
 }
 
 void WebPage::handleCertificateError(QWebEngineCertificateError error)
@@ -27,3 +29,9 @@ void WebPage::handleSelectClientCertificate(QWebEngineClientCertificateSelection
     // Just select one.
     selection.select(selection.certificates().at(0));
 }
+
+void WebPage::handleDesktopMediaRequest(const QWebEngineDesktopMediaRequest &request)
+{
+    // select the primary screen
+    request.selectScreen(request.screensModel()->index(0));
+}
diff --git a/examples/webenginewidgets/simplebrowser/webpage.h b/examples/webenginewidgets/simplebrowser/webpage.h
index 83a4e833f..56740f817 100644
--- a/examples/webenginewidgets/simplebrowser/webpage.h
+++ b/examples/webenginewidgets/simplebrowser/webpage.h
@@ -7,6 +7,7 @@
 #include <QWebEnginePage>
 #include <QWebEngineRegisterProtocolHandlerRequest>
 #include <QWebEngineCertificateError>
+#include <QWebEngineDesktopMediaRequest>
 
 class WebPage : public QWebEnginePage
 {
@@ -21,6 +22,7 @@ signals:
 private slots:
     void handleCertificateError(QWebEngineCertificateError error);
     void handleSelectClientCertificate(QWebEngineClientCertificateSelection clientCertSelection);
+    void handleDesktopMediaRequest(const QWebEngineDesktopMediaRequest &request);
 };
 
 #endif // WEBPAGE_H